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[at-l] Water Purification, Tsunami-style



In a message dated 1/7/2005 6:29:30 AM Eastern Standard Time, 
janl2@mindspring.com writes:
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The added ingredients - primarily iron sulfate and clay - cause 
particles in the water to clump together and settle to the bottom, so 
they can be strained out through cloth. The process, known as 
flocculation
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        Warm water over there should aid the speed of purification ...


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